Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047306 | Top drive drilling system and other applications using a low speed direct drive AC motor | Kevin R. Williams, Alvie E. Howard, Jr., Rudy Harris, Richard O. Bradley | 2011-11-01 |
| 7500531 | Low speed AC motor for direct drive applications | Kevin R. Williams, Alvie E. Howard, Jr., Rudy Harris, Richard O. Bradley | 2009-03-10 |
| 5388930 | Method and apparatus for transporting and using a drilling apparatus or a crane apparatus from a single movable vessel | — | 1995-02-14 |
| 5290128 | Method and apparatus for transferring a drilling apparatus from a movable vessel to a fixed structure | Charles W. Yeargain, Michael Dee Moody | 1994-03-01 |
| 4916999 | Offshore launching system | C. R. Palmer, Robert A. Keller | 1990-04-17 |